Effective from
- Inherited rules changed
Deep disruption or dehiscence of operation wound, unspecified, subsequent encounter
Billable diagnosis code
CDC/NCHS · FY2025 · 04-01code to identify any retained foreign body, if applicable (Z18.-)
code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
A — initial encounter
D — subsequent encounter
S — sequela
Coverage depends on the payer, service and applicable policy. A billable code does not guarantee payment.
For US diagnosis claims covered by HIPAA, ICD-10-CM is required from October 1, 2015.
Use the service date for outpatient/professional claims and the discharge date for hospital inpatient claims. Earlier encounters use ICD-9-CM; each individual code must also be valid for the applicable date.
Official coding guidelines → · CMS ↗First observed · 2024-10-01
Latest recorded change · FY2025 · 04-01
Effective from
Deep disruption or dehiscence of operation wound, unspecified, subsequent encounter
Billable diagnosis code
CDC/NCHS · FY2025 · 04-01| All editions | Effective from | Code history |
|---|---|---|
| FY2025 | 2024-10-01 | Added |
| FY2025 · 04-01 | 2025-04-01 | Inherited rules changed |
| FY2026 | 2025-10-01 | No tabular change |
| FY2026 · April | 2026-04-01 | No tabular change |
| FY2027 | 2026-10-01 | No tabular change |
The official Tabular List has no additional instructions at this code level.
Review the instructions inherited from its parent categories below. Inherited instructions ↓
code to identify any retained foreign body, if applicable (Z18.-)
code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
The appropriate 7th character is to be added to each code from category T81
A — initial encounter
D — subsequent encounter
S — sequela
Disruption of any suture materials or other closure methods
Deep disruption or dehiscence of operation wound NOS
Historical assignments from the CDC conversion table support data retrieval. They do not authorize substituting a previous code for the current code.
Previous assignment: T81.32XD
Other entries in the same category; these are not automatic substitutes.
| Code | Description | Category · further specificity required |
|---|---|---|
| T81.329A | Deep disruption or dehiscence of operation wound, unspecified, initial encounter | Billable / specific |
| T81.329S | Deep disruption or dehiscence of operation wound, unspecified, sequela | Billable / specific |
Official titles and instructions are preserved in their source language. Official sources ↗